The snd_mem_proc_read function in sound/core/memalloc.c in the Advanced Linux Sound Architecture (ALSA) in the Linux kernel before 2.6.22.8 does not return the correct write size, which allows local users to obtain sensitive information (kernel memory contents) via a small count argument, as demonstrated by multiple reads of /proc/driver/snd-page-alloc.
Published 2007-09-26 10:17:00
Updated 2023-02-13 02:18:20
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2007-4571

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2007-4571

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.1
LOW AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
NIST

Vendor statements for CVE-2007-4571

  • Red Hat 2007-10-18
    This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1 or 3.

Products affected by CVE-2007-4571

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